diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..c2a352b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "PyTeX"]
+	path = PyTeX
+	url = ssh://git@gitlab.com/latexci/packages/PyTeX.git
diff --git a/PyTeX b/PyTeX
new file mode 160000
index 0000000..ba0b49d
--- /dev/null
+++ b/PyTeX
@@ -0,0 +1 @@
+Subproject commit ba0b49dbfcb7aa62389698b9a76545d002020ec7